From aa54844a67ec723d0e77bb997a18fd7e786f4a1d Mon Sep 17 00:00:00 2001
From: Minseok <93303181+emes-g@users.noreply.github.com>
Date: Mon, 19 Aug 2024 21:15:33 +0900
Subject: [PATCH] =?UTF-8?q?Feat:=20redisKey=EB=A1=9C=20=ED=82=A4=EC=9B=8C?=
 =?UTF-8?q?=EB=93=9C=20=EB=A6=AC=EC=8A=A4=ED=8A=B8=20=EC=A1=B0=ED=9A=8C=20?=
 =?UTF-8?q?(#145)?=
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* Feat: redisKey로 키워드 리스트 조회
---
 src/main/java/store/itpick/backend/util/Redis.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/main/java/store/itpick/backend/util/Redis.java b/src/main/java/store/itpick/backend/util/Redis.java
index 6c87530..5e9f79c 100644
--- a/src/main/java/store/itpick/backend/util/Redis.java
+++ b/src/main/java/store/itpick/backend/util/Redis.java
@@ -252,4 +252,17 @@ private static int getWeight(String key) {
         }
         return -1;
     }
+
+    public List<String> getKeywordListByRedisKey(String redisKey) {
+        ZSetOperations<String, Object> zSetOperations = redisTemplate.opsForZSet();
+
+        if (zSetOperations.size(redisKey) < 10) {
+            return null;
+        }
+        List<String> keywordList = new ArrayList<>();
+        for (Object keyword : zSetOperations.reverseRange(redisKey, 0, 9)) {
+            keywordList.add((String) keyword);
+        }
+        return keywordList;
+    }
 }